Table 1 Study characteristics
From: Psychosocial areas of worklife and chronic low back pain: a systematic review and meta-analysis
Reference | N | Occupation | Country | Mean age (Years) | Females (%) | Design | Response rate | Exposures | Study quality |
|---|---|---|---|---|---|---|---|---|---|
Aghilinejad, 2015 [4*] | 185 | blue collar | Iran | 36 | 0 | P | unknown | W + C + S | + |
Alexopoulos, 2003 [50*] | 351 | pink collar | Greece | 37 | 81 | CS | 90% | W + C (DA) + S (C, SS) | + |
Brage, 2007 [51*] | 1152 | mixed collar | Norway | 35 | 50 | P | 98% (permission of register follow-up) | C | + |
Cameron, 2008 [52*] | 303 | pink collar | Canada | 52 | 96 | CS | 61% | C (DA) | – |
Elders, 2001 [53*] | 288 | blue collar | Netherlands | 36 | 0 | CS | 85% (baseline) | W + C | – |
Eriksen, 2004 [54*] | 4266 | pink collar | Norway | 45 | 96 | P | 62.3% (baseline) 89.3 (follow-up 1) 85.6 (follow-up 2) | S (S) | + |
Eriksen, 2006 [47*] | 779 | pink collar | Netherlands | 40 | 84 | CS | 60% | W + C (DA, SD) + S (C, SS) | + |
Feng, 2007 [55*] | 244 | pink collar | China | 43 | 100 | CS | 91.3% | W + C (DA, SD) + S (C, SS) | + |
Hooftman, 2009 [56*] | 1259 | mixed collar | Netherlands | 36 | 31 | P | 87% (baseline) 92% (for at least one follow-up) | W + C (SD) + S (C, SS) | + |
Hoogendoorn, 2001 [57*] | 861 | mixed collar | Netherlands | 36 | 30 | P | 87% (baseline) | W + C (DA, SD) + S (C, SS) | + |
Latza, 2002 [58*] | 488 | blue collar | Germany | 32 | 0 | P | 85.5% (follow-up) [for baseline not determined] | W + C (DA) + S | + |
Matsudaira, 2012 [59*] | 836 | mixed collar | Japan | 44 | 12 | P | 86.5% (baseline) 71.6% (follow-up 1) 84.0% (follow-up 2) | W + C (DA, SD) + S (C, SS) | + |
Matsudaira, 2015 [60*] | 171 | blue collar | Japan | 42 | 29 | P | 86.5% (baseline) 71.8% (follow-up) | R | ++ |
Melloh, 2013 [61*] | 169 | mixed collar | New Zealand | 36 | 62 | P | 74% (baseline) 54% (across all follow-ups) | W + S | – |
Messing, 2009 [62*] | 7757 | mixed collar | Canada | 36 | 42 | CS | 82% / 84% (interviewer-administered / self-administered questionnaire) | W | – |
Tsigonia, 2009 [63*] | 102 | pink collar | Greece | 38 | 93 | CS | 90% | W + C (SD) + S (C) | + |
van den Heuvel, 2004 [64*] | 787 | mixed collar | Netherlands | 36 | 31 | P | 87% (baseline) | W + C (DA, SD) + S (C, SS) | + |
Violante, 2004 [65*] | 858 | pink collar | Italy | 36 | 100 | CS | 95.2% | W + R | – |